What major publication did Charles De L'Eppe produce in 1788?

Charles De L'Eppe, a pioneering figure in the field of deaf education, produced a significant publication in 1788 that was groundbreaking for its time. He created a dictionary of French Sign Language, which was an essential resource for the deaf community and educators. This dictionary aimed to establish a standardized form of sign language that could be widely understood and used, helping to bridge communication gaps for deaf individuals.

The significance of this publication lies in its role in recognizing sign language as a legitimate mode of communication and its impact on the development of deaf education in France and beyond. It provided a foundational tool for teachers and students, allowing for better communication and understanding within the deaf community. This work contributed substantially to the acknowledgment of sign languages' importance in education and culture, shaping future approaches to teaching and communication for deaf individuals.